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|
package main
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/libpod"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
var volumePruneDescription = `
podman volume prune
Remove all unused volumes. Will prompt for confirmation if not
using force.
`
var volumePruneFlags = []cli.Flag{
cli.BoolFlag{
Name: "force, f",
Usage: "Do not prompt for confirmation",
},
}
var volumePruneCommand = cli.Command{
Name: "prune",
Usage: "Remove all unused volumes",
Description: volumePruneDescription,
Flags: volumePruneFlags,
Action: volumePruneCmd,
SkipArgReorder: true,
UseShortOptionHandling: true,
}
func volumePruneCmd(c *cli.Context) error {
var lastError error
if err := validateFlags(c, volumePruneFlags); err != nil {
return err
}
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.Shutdown(false)
ctx := getContext()
// Prompt for confirmation if --force is not set
if !c.Bool("force") {
reader := bufio.NewReader(os.Stdin)
fmt.Println("WARNING! This will remove all volumes not used by at least one container.")
fmt.Print("Are you sure you want to continue? [y/N] ")
ans, err := reader.ReadString('\n')
if err != nil {
return errors.Wrapf(err, "error reading input")
}
if strings.ToLower(ans)[0] != 'y' {
return nil
}
}
volumes, err := runtime.GetAllVolumes()
if err != nil {
return err
}
for _, vol := range volumes {
err = runtime.RemoveVolume(ctx, vol, false, true)
if err == nil {
fmt.Println(vol.Name())
} else if err != libpod.ErrVolumeBeingUsed {
if lastError != nil {
logrus.Errorf("%q", lastError)
}
lastError = errors.Wrapf(err, "failed to remove volume %q", vol.Name())
}
}
return lastError
}
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